package day03;

public class IfElseDemo {
    public static void main(String[] args) {
        double price=100;
        if (price>=500){
            price*=0.8;
        }else {
           price*=0.9;
        }
        System.out.println("您最终的消费金额为"+price);

        int score=900;
        if (score>=0&&score<=100){
            System.out.println("成绩合法");
        }else {
            System.out.println("成绩不合法");
        }
    }
}
